Direct bacterial identification from positive blood cultures using matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry : A systematic review and meta-analysis
Copyright © 2017 Elsevier España, S.L.U. and Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica. All rights reserved..
INTRODUCTION: The rapid identification of bacteraemia-causing pathogens could assist clinicians in the timely prescription of targeted therapy, thereby reducing the morbidity and mortality of this infection. In recent years, numerous techniques that rapidly and directly identify positive blood cultures have been marketed, with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) being one of the most commonly used.
METHODS: The aim of this systematic review and meta-analysis was to evaluate the accuracy of MALDI-TOF (Bruker®) for the direct identification of positive blood culture bottles.
RESULTS: A meta-analysis was performed to summarize the results of the 32 studies evaluated. The overall quality of the studies was moderate. For Gram-positive bacteria, overall rates of correct identification of the species ranged from 0.17 to 0.98, with a cumulative rate (random-effects model) of 0.72 (95% CI: 0.64-0.80). For Gram-negative bacteria, correct identification rates ranged from 0.66 to 1.00, with a cumulative effect of 0.92 (95% CI: 0.88-0.95). For Enterobacteriaceae, the rate was 0.96 (95% CI: 0.94-0.97).
CONCLUSION: MALDI-TOF mass spectrometry shows high accuracy for the correct identification of Gram-negative bacteria, particularly Enterobacteriaceae, directly from positive blood culture bottles, and moderate accuracy for the identification of Gram-positive bacteria (low for some species).
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
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| Enthalten in: |
Enfermedades infecciosas y microbiologia clinica (English ed.) - 36(2018), 8 vom: 15. Okt., Seite 484-492 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ruiz-Aragón, Jesús [VerfasserIn] |
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| Links: |
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| Themen: |
Bacteraemia |
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| Anmerkungen: |
Date Completed 28.05.2019 Date Revised 21.05.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.eimc.2017.08.012 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM277780195 |
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| 245 | 1 | 0 | |a Direct bacterial identification from positive blood cultures using matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry |b A systematic review and meta-analysis |
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| 500 | |a Date Revised 21.05.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2017 Elsevier España, S.L.U. and Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica. All rights reserved. | ||
| 520 | |a INTRODUCTION: The rapid identification of bacteraemia-causing pathogens could assist clinicians in the timely prescription of targeted therapy, thereby reducing the morbidity and mortality of this infection. In recent years, numerous techniques that rapidly and directly identify positive blood cultures have been marketed, with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) being one of the most commonly used | ||
| 520 | |a METHODS: The aim of this systematic review and meta-analysis was to evaluate the accuracy of MALDI-TOF (Bruker®) for the direct identification of positive blood culture bottles | ||
| 520 | |a RESULTS: A meta-analysis was performed to summarize the results of the 32 studies evaluated. The overall quality of the studies was moderate. For Gram-positive bacteria, overall rates of correct identification of the species ranged from 0.17 to 0.98, with a cumulative rate (random-effects model) of 0.72 (95% CI: 0.64-0.80). For Gram-negative bacteria, correct identification rates ranged from 0.66 to 1.00, with a cumulative effect of 0.92 (95% CI: 0.88-0.95). For Enterobacteriaceae, the rate was 0.96 (95% CI: 0.94-0.97) | ||
| 520 | |a CONCLUSION: MALDI-TOF mass spectrometry shows high accuracy for the correct identification of Gram-negative bacteria, particularly Enterobacteriaceae, directly from positive blood culture bottles, and moderate accuracy for the identification of Gram-positive bacteria (low for some species) | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Meta-Analysis | |
| 650 | 4 | |a Systematic Review | |
| 650 | 4 | |a Bacteraemia | |
| 650 | 4 | |a Bacteriemia | |
| 650 | 4 | |a Blood culture | |
| 650 | 4 | |a Hemocultivo | |
| 650 | 4 | |a Identificación rápida | |
| 650 | 4 | |a MALDI-TOF | |
| 650 | 4 | |a Rapid identification | |
| 700 | 1 | |a Ballestero-Téllez, Mónica |e verfasserin |4 aut | |
| 700 | 1 | |a Gutiérrez-Gutiérrez, Belén |e verfasserin |4 aut | |
| 700 | 1 | |a de Cueto, Marina |e verfasserin |4 aut | |
| 700 | 1 | |a Rodríguez-Baño, Jesús |e verfasserin |4 aut | |
| 700 | 1 | |a Pascual, Álvaro |e verfasserin |4 aut | |
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